bäum[13], boom[10], beim[8], oboe[8], beie[6], eibe[6],
mob[8], bim[7], bum[7], beo[6], bio[6], obi[6], omi[6], bei[5], emu[5], oie[4],
ob[5], bi[4], im[4], mi[4], um[4], ei[2], ui[2],
